Heemang Parmar
Founder & CEO, ProductOS
CS engineer and IIM Lucknow MBA. Built products across enterprise and AI for 10+ years. Founded ProductOS to give every PM and founder the leverage of a full product team. Writes about AI product development, PRDs, and building with agents.
Articles by Heemang (7)
What is vibe coding? The complete guide for 2026
Vibe coding gets you a working demo in an afternoon and, too often, a rewrite three weeks later. This guide is honest about both sides, and shows how a product process keeps the speed without the wreckage.
What is a product requirements document (PRD)? The complete guide
The complete guide to product requirements documents: every section explained, real good vs bad requirement lines, the main template formats, and the AI workflow that turns a PRD into a build plan.
What is a north star metric? The complete guide with 50 examples
The complete guide to north star metrics: what qualifies, what disqualifies, 50 examples across ten business models, and a step-by-step process for choosing the one number your product should move.
What is AI-native product development? The complete guide (2026)
AI-native product development rebuilds the product process around AI instead of bolting AI onto the old one. Here is what actually changes: the artifacts, the roles, the patterns, and the honest limits.
What is AI market research? The complete guide (2026)
AI compresses weeks of desk research into hours, but only when every claim carries a citation and secondary synthesis is checked against real customer signals. Here is the full workflow, honestly.
What are the best AI tools for product managers in 2026?
A working map of AI for product managers: which tools fit which part of the job, the workflows that hold up in practice, and the real shift, which is that PMs can now ship product, not just documents.
What is agentic product development? How AI agents build products
Agentic product development hands each stage of product work to a specialized AI agent working inside one shared context, with humans at the approval gates. Here is how the workflow actually runs, and where it breaks.
Glossary terms by Heemang (31)
All terms- Acceptance criteria
- AI agent
- API
- Backlog
- Bring your own keys (BYOK)
- Code ownership
- Context window
- Deployment
- Design system
- Embedding
- Fine-tuning
- GitHub sync
- Hallucination
- Integration
- Large language model (LLM)
- Market research
- Minimum viable product (MVP)
- Model Context Protocol (MCP)
- Native mobile app
- North star metric
- Product requirements document (PRD)
- Prompt
- Prototype
- Retrieval-augmented generation (RAG)
- RICE scoring
- System prompt
- TAM, SAM & SOM
- Token
- User persona
- User story
- Wireframe
Insights by Heemang (13)
All insightsThe Metrics & Milestones Map: A Stage-by-Stage Guide
The Growth Experiment Playbook: Tests That Teach
The OKR Template for Early-Stage Founders
The Product Thinking Framework: A 5-Step System
The PM Clarity Framework: A 5-Step System